Question

Erosion is

1-Molten magma inside the earth
2-Drainage
3-Wearing away of the landscape​

Answer 1

⇨ 3-wearing away of the land scape

During Erosion earthen materials are transported by the natural forces like wind, water, glacier .

Hope, it helps you

MAY U HAVE A SWEET DAY

Answer 2

Erosion is wearing away of the landscape.

It happens mainly due to deforestation.

It can be prevented mainly by afforestation.

Reason being that roots of the plants hold the soil and don't let them become loose.

:-)